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Archive-name: model-rockets/intro
Rec-models-rockets-archive-name: rockets-faq/part00-intro Posting-Frequency: weekly Last-modified: 2002 May 29 URL: http://www.ninfinger.org/~sven/rockets/rmrfaq.toc.html See reader questions & answers on this topic! - Help others by sharing your knowledge
INTRODUCTION TO REC.MODELS.ROCKETS AND THIS FAQ
Rec.models.rockets (r.m.r) is a Usenet newsgroup created for discussions
and topics
related to model and high-power rocketry. The purpose of this newsgroup
is for the
exchange of information between anyone wanting to build, fly, or use
model rockets or
high power rockets. These are viable alternatives to amateur
rocketry. The term "model
rocket" is defined based on non-metalic structural components, weight,
propellant and
total impulse restrictions, electrical ignition, recovery devices, and
factory-made, solid
propellant engines. The term "High power rocket" refers to any rocket
using model rocket
technology (as described above) except without the weight, propellant,
and total impulse
restrictions of model rocketry. Amateur rocketry, pyrotechnics, rocket
motor-making, and
"EX" rocketry are related topics that fall outside of the scope of this
newsgroup.
This FAQ (list of Frequently Asked Questions) is an attempt to compile a
number of questions
and suggestions that have been repeatedly posted to r.m.r into a single,
quickly readable document.
This document was NOT meant to be a 'how to' on any form of
non-professional rocketry It's hoped
that it might be of use in answering some of the more commonly asked
questions, summarizing some
good tips and suggestions, and directing the reader to other documents,
books, sources, etc., where
more information may be found. The FAQ has evolved into something
monstrous (and very informative).
For this reason, only this introduction and the first three sections of
the FAQ will be posted biweekly.
The entire FAQ will make its appearance on r.m.r. monthly.
This FAQ is organized as a list of primary topics (see the Table of
Contents below) with a number of
questions and answers under each. The majority of this document deals
with, but is not limited to,
consumer rocketry in the United States and Canada.
This entire FAQ is available on the web.
HTML version of the entire FAQ:
http://www.ninfinger.org/~sven/rockets/rmrfaq.toc.html
Most recently posted version of the FAQ:
http://www.faqs.org/
--------------------------------------
COPYRIGHT NOTICE
This entire 14 part FAQ is copyright (c) 1996 - 2002 Wolfram von
Kiparski, editor.
Portions of this FAQ may also have additional copyrights. Everyone is
permitted
to copy and distribute verbatim copies of this FAQ, provided that you
conspicuously
and appropriately include on each copy an appropriate copyright notice,
including those
portions of the FAQ that have additional copyright notices. Changing,
editing, or otherwise
modifying this FAQ by any means, manual or mechanical, for
redistribution is not allowed
without written permission from the editor of this FAQ. Distribution of
this FAQ for profit,
promotional, inclusion as "content" on an ecommerce website, or other
commercial use is not
allowed without written permission from the editor of this FAQ.
--------------------------------------
POSTING FREQUENCY
The entire FAQ is posted to rec.models.rockets every month. A shorter
version comprised of
this Introduction and Sections #1, #2, and #3 are posted every two weeks
or so.
--------------------------------
ACKNOWLEDGMENTS
This document was originally compiled (with help from many others) by
Buzz McDermott
and Jack Hagerty. This document is now maintained and edited by Wolfram
v.Kiparski with help
from others. This FAQ would not be possible without the constant flow
of tips, suggestions,
and sound advice from the readership of rec.models.rockets. Comments,
corrections and suggestions
for additions are welcomed and encouraged.
Please send your suggestions to:
Wolfram v.Kiparski rmrfaq@n2netmail.com
or send them to the editor of the portion of the FAQ for which you have
a comment. The FAQ editors are:
Part 01: Wolfram v.Kiparski (rmrfaq@n2netmail.com)
Part 02: Wolfram v.Kiparski
Part 03: Wolfram v.Kiparski
Part 04: Wolfram v.Kiparski
Part 05: Wolfram v.Kiparski
Part 06: Wolfram v.Kiparski
Part 07: Wolfram v.Kiparski
Part 08: Bob Kaplow (Robert_Kaplow@hccompare.com)
Part 09: Andy Eng (aeng@houston.rr.com)
Part 10: Wolfram v.Kiparski
Part 11: Wolfram v.Kiparski
Part 12: Wolfram v.Kiparski
Part 13: Canada: editor needed
Australia: editor needed
United Kingdom: Darren J Longhorn (darrenlonghorn@yahoo.com)
New Zealand: editor needed
Germany: Oliver Missbach (omissbach@web.de)
Italy: Luca Benassi
Part 14: Wolfram von Kiparski
-------------------------------------------
***** PLEASE READ THE FOLLOWING *****
Many of the tips and suggestions included in this FAQ include references to
particular companies and/or products. Opinions expressed are those of the
submitters. Several submitters have asked that readers do not request
the company names and addresses from them. PLEASE refer to Part 2 of the
FAQ or a recent issue of one of the rocketry magazines. Check this FAQ
first.
-----------------------------------------
TABLE OF CONTENTS
REC.MODELS.ROCKETS FREQUENTLY ASKED QUESTIONS
###PART 01: GENERAL INFORMATION
1.1 What, exactly, is a 'model rocket' versus a 'high power' rocket? Where do
liquid fueled and homemade rocket motors fit in? What about amateur
rockets?
1.2 NFPA, FAA, DOT, ... Who are all these organizations and how do they
affect the rocketry hobby?
1.3 What is the current legal status of model and high power rocketry in
the U.S.?
1.4 I would like to get into Large Model Rockets. What are my options?
Who has NAR certified E, F and G motors today?
1.5 Is the proper term rocket 'engine' or rocket 'motor'?
1.6 What do the letters and numbers on a model rocket motor mean?
1.7 What is a CATO? Is it CATO pronounced KAY-TO or CAT-O?
1.8 When a consumer rocket motor fails (i.e., CATOs) does it explode or
detonate?
1.9 Why don't I just make my own model rocket motors? Shouldn't I be able
to custom-make better, more powerful motors at a cheaper price?
### PART 02: NAMES AND ADDRESSES
2.1 National rocketry organizations
2.2 Rocketry manufacturers and suppliers
2.2.1 Model and High Power Rocket Manufacturers
kits/motors/supplies/etc.
2.2.2 Electronics/Recovery Systems/Other Rocketry Components and
Supplies
2.2.3 Miscellaneous suppliers of raw materials, supplies, and equipment
2.2.4 Mail Order Vendors
2.2.5 Sources for Out-of-Production Model Rocket Kits
2.2.6 Books/Videos/Computer Software/Technical References
2.2.7 International (outside U.S.A.) rocketry sources
2.3 Rocketry books
2.4 Rocketry magazines
### PART 03: ROCKETRY ON THE INTERNET
3.1 How do I get to the r.m.r archive site?
3.2 What is available from the r.m.r archive?
3.3 How do I upload files to the r.m.r. archive?
3.4 I have read-only access to r.m.r. Is there any way I can still post
articles to the newsgroup?
3.5 What are some neat rocketry web pages to check out?
### PART 04: BORN-AGAIN ROCKETEERS
4.1 What the heck is a BAR, 'Born Again Rocketeer'?
4.2 I have been out of model rockets for many (i.e. <nn>+) years now.
What been happening in the hobby over the past couple of decades?
What's new? What's gone?
4.2.1 Who's Left, Who's Not & Who's New
4.2.2 Changes in Motor Technology
4.2.3 Competition
4.2.4 High Power Rocketry
4.2.5 Electronics Advancements
4.2.6 Regulations, Regulations, Regulations
4.3 Are my old rocket kits worth anything today?
4.4 Where can I find plans of old kits?
### PART 05: MODEL ROCKETRY
5.1 Can I legally fly model rockets in my state? What are the restrictions?
5.2 When do I need to notify the FAA before flying a large model rocket?
5.3 I have a son/daughter that is (less than 9) years old. Is this too
young for model rocketry? If not, are there any tips for helping to
keep their interest in the hobby?
5.4 Is there any way I can buy model rocket kits, parts and engines at less
than full retail?
5.5 I've had a large number of motors CATO recently. The engines are only
about 2 years old. I've had them stored in my
(attic/garage/basement).
5.6 Is it safe to use my old rocket engines from <nn> years ago?
5.7 What's a good way to find other rocket enthusiasts in my area? How can
I found out about local rocket clubs?
5.8 Are the Aerotech composite motors the same size as Estes/MRC/Quest
motors?
5.9 Can I use Aerotech or other composite motors in my Estes rockets?
5.10 Will my Estes launch system work with Aerotech composite motors?
5.11 Can I use Aerotech composite motors as boosters in my multi-stage
rockets?
5.12 How can I tell the age of my Estes motors?
5.13 Are reloadable model rocket motors shippable the same as disposable
model rocket motors?
5.14 My flying field is so small I keep losing my rockets. What can I do?
5.15 Are Jetex engines still available? Where can I get them?
5.16 BT-20, BT-50, BT-55. What the heck do the numbers mean on Estes body
tubes? Is their any special meaning in these numbers?
5.17 I've seen mention of all kinds of rocket motor types and sizes. Could
you give a brief history and summary of the main marketing names for
model rocket motors?
5.18 Why don't I just make my own model rocket motors? Shouldn't I be able
to custom-make better, more powerful motors at a cheaper price?
### PART 06: ROCKET CONSTRUCTION AND FINISHING TIPS
6.1 Cutting, Sealing, Attaching Fins
6.2 Body Tubes (Cutting, Joining, Filling)
6.3 I'm fed up with tangled plastic parachutes with broken shroud lines. How
can I improve on the standard chutes, or make my own?
6.4 Alternatives to Recovery Wadding
6.5 Are there any good tips when making my own nose cones?
6.6 Getting Paint to Stick to LOC and Aerotech Nose Cones
6.7 Is it possible to get a high gloss, durable finish on a model rocket?
6.8 Are there any good paints for silver details on scale models?
6.9 How can I prevent a rocket painted white from yellowing?
6.10 Which is better, white or yellow glue? Epoxy? Cyano?
6.11 Improving on the Estes Shock Cord Mount
6.12 I've built several BT-80 based models. How can I strengthen future
models to take larger motors, such as Aerotech 24mm or 29mm reloads?
6.13 How can I prevent balsa fins from breaking off on landing (especially
for models with swept fins)?
6.14 I just lost my favorite rocket and the kit is discontinued. How can I
make another one just like it?
6.15 How can I reduce damage to the booster stage of two stage models caused
by the engine exhaust of the second stage?
6.16 Is there a way to increase the stability of nearly finless models?
6.17 How can I build a rocket with less wind resistance?
### PART 07: SCALE MODELING
7.1 I would like to make a scale model of the <??> rocket. Where do I
start looking for technical data, dimensions, flight substantiation
data, etc.?
7.2 What are some specific sources for general scale data?
7.3 I've never built any scale models. Are there any recommended kits for
first timers?
7.4 What other scale/sport scale kits are available? I'd like to build
another kit or two before tackling a scratch scale project.
7.5 O.K., I've done all my research, collected all the data I can.
I've even built a couple of scale kits a a warm up. Now I'm ready
to build a model I can be proud of. How do I...?
7.6 What tools do I need?
7.7 Where can I get more information on modeling techniques?
7.8 Got any tips for generating scale plans from original dimensions?
### PART 08: BOOST GLIDERS AND ROCKET GLIDERS
8.1 R/C Rocket Gliders
8.1.1 Have there been any construction reviews of R/C rocket gliders?
8.1.2 I'm building the 'XXX' R/C Rocket Glider and it uses foam core
wings.
Are there any things I should know about working with foam?
8.1.3 Any tips for sheeting the wings on my Aerotech Phoenix?
8.1.4 How about help with my Estes Astroblaster wings?
8.1.5 How do you repair damaged foam wings?
8.1.6 Some more uses of foam in rocketry...
8.1.7 I need to cut the piano wire control rods. Bolt cutters don't work
well, as the metal is too hard. Any ideas?
8.2 Free Flight Boost and Rocket Gliders
8.2.1 What is the difference between a Boost/Glider and a Rocket/Glider?
8.2.2 What are some types of gliders?
8.2.3 What are all these funny names I see referenced?
8.2.4 I'm just starting. What kits or plans are available?
8.2.5 Why do most gliders have the rudder under the fuselage?
8.2.6 These things are very different from what I've built before.
Are there any tips for building them?
8.2.7 Should I paint my glider?
8.2.8 Can I convert a hand launched glider (HLG) to rocket power?
8.2.8.1 How do I attach a pop pod to a glider?
8.2.9 I'd like to design my own glider. How do I know if it will work?
How do I compute the CP for a glider?
8.2.10 What motor should I use to fly my glider?
8.2.11 This thing looks weird sitting on the pad.
How do I launch a glider?
8.2.12 My glider looped and crashed into the ground. What is wrong?
8.2.13 My glider shredded. What is wrong?
8.2.14 The pod stuck on my boost/glider and the thing crashed. What is
wrong?
8.2.15 My glider glides like the space shuttle (or worse). What is wrong?
8.2.16 My glider never came down and flew away. What is wrong?
8.2.17 Glossary: (with thanks to AstronMike@aol.com)
8.2.18 References: (kits, books, publications, catalogs)
### PART 09: COMPETITION AND RECORDS
9.0 Introduction
9.1 Are there any manufacturers making kits specifically designed for
competition?
9.2 What are the major categories of competition model rocketry?
9.3 What are some good events to try when first getting into
competition? Any
'sage' advice?
9.4 Specifics
9.4.a. Getting Jump Started
9.4.b. What is a 'piston' launcher? Does it really help?
9.4.c Wire Loops
9.4.d Pop Lugs - A CMR pop lug described
9.4.e Flying Naked
9.4.f Regarding Streamers
9.4.f.1 Streamers Part 1
9.4.f.2 Streamers Part 2
9.4.f.3 Streamers Part 3
9.4.f.4 Streamers Part 4
9.4.g Super Roc Duration
9.4.h Flex Wings
9.4.i.1 Tracking Powder Part 1
9.4.i.2 Tracking Powder Part 2 (How to Pack It)
9.4.j Packing Large Chutes
9.4.k Tandems
9.4.l Helicopter design
9.4.m Optimal Thrust
9.5 Aside from hanging around 'old timers', how can I learn more about
competition
strategies and techniques without re-inventing the wheel many times
over?
9.6 Tripoli Altitude Records
9.7 NAR Competition Records
9.8 Some Unofficial High Power Altitude Attempts
9.9 Biggest Non-metallic Rocket Flights
9.10 Other Non-professional Flights of Note
9.11 Some other highest verified altitudes
9.12 The Best of the BMWQF
9.13 Do's and Don'ts
### PART 10: HIGH POWER ROCKETRY
10.1 I'm a successful model rocketeer. What do I need to get into HPR?
10.2 What are the major differences between model and high power rockets,
besides size and engines? Are they built differently?
10.3 How do I get high power certified?
10.4 What is a 'reloadable' motor. Are they worth the price? Are they
legal?
10.5 What are these different 'types' of composite motors I hear about (White
Lightning, Black Jack, Smokey Sam, etc.)?
10.6 What's an FAA waiver? Which rocket flights require one?
This section includes the relevant parts of FAR 101.
10.7 OK. I want to fly some high power rockets. How do I get an FAA waiver?
10.8 Is high power rocketry legal in every state, if the proper forms are
obtained?
10.9 Where do I find out the proper way to use HPR rockets and motors? I'm
familiar with the NAR Model Rocketry Sporting Code. Is there
an HPR
equivalent?
10.10 What are some good kits to build when first getting into high power
rocketry (assuming I have all of the basic model rocketry skills)?
10.11 When is a Federal Low Explosives Permit required?
10.12 How do I get an LEUP? Are there any requirements?
10.13 How is thermalite affected by the ATF regulatory enforcement?
10.14 How can I get the Orange Book (explaining the ATF explosive laws
and regulations) and the proper LEUP forms?
10.15 Just what is a 'hybrid' rocket motor? Who makes them?
### PART 11: HIGH POWER CONSTRUCTION TECHNIQUES
11.1 Do you have any tips for cutting and sealing fins used on HPR rockets?
11.2 How do you keep in a high power motor in its mount, but still allow
for the numerous lengths in which HPR motors are sold?
11.3 Custom Decals for High Power Rockets
11.4 I've had several rocket body tubes ruined by the shock cord tearing
into the body tube at ejection and making long slits. How can I
prevent this?
11.5 Estes 'toilet paper' recovery wadding strikes me as a bit wrong for HPR
rockets. What are some alternatives?
11.6 What are the differences between the various HPR body tube materials
used by the 'major' HPR manufacturers?
11.7 How can I strengthen my thick paper (i.e., LOC type) body tubes?
11.8 Is there any way to retrofit my existing rockets to have some type of
positive retention system?
11.9 All these high power motors are different sizes. How do I hold
them in? What do I use for a motor block and where should I put it?
### PART 12: IGNITION AND LAUNCH SYSTEM TIPS
12.1 Copperhead, squib, electric match, thermalite, flash bulb. What are
all these types of igniters, how much current do they require, and
when are they used?
12.2 How do those 'Copperhead' igniters work? They only have one wire?
12.3 I've heard that Copperhead igniters are 'unreliable' for igniting HPR
motors. Is that true?
12.4 Do you have any specific suggestions or tips for an ignition power
sources? Can I use my old Estes ignition system with composite models?
12.5 WARNING: Be very careful using any ignition system with 'flashbulb' or
electric match type igniters.
12.6 The ignition of rockets by other than electrical means is banned by both
the NAR and Tripoli safety codes and should not be used.
12.7 What is thermalite fuse and how is it involved in igniting rocket
motors?
12.8 How do you ignite second stage composite motors? Can I use a black
powder booster for the first stage to ignite the second (as I do
with multi-state A-D rockets)?
12.9 What is 'flash in the pan' ignition and for what is it useful in
rocketry?
12.10 I would like to perfect a method for reliable ignition of clustered
multi-
stage rockets. Any suggestions or tips?
12.11 How do I cluster rocket motors? When igniting a cluster of rocket
motors, should the igniters be wired in parallel or in series? Why?
12.12 I am new to rocketry. I was wondering whether anyone has tried
using waterproof wicks instead of igniters to ignite a rocket engine.
12.13 The alligator clips on my launch system have worn out. What should I
use to replace them?
12.14 Other Ignition Tips:
### PART 13: INTERNATIONAL ROCKETRY
13.1 Rocketry in Australia
13.1.1 What rules apply to model rocketry in Australia?
13.1.2 What are good sources of model rocketry kits/wg's/parts, etc.?
13.1.3 Are there any regular rocket contests, launches, clubs, etc.?
13.1.4 Info on amateur groups/activities (such as AusRoc) in the
Australia.
13.2 Rocketry in Canada
13.2.1 Are there any national organizations to which I can join in Canada?
What services do they offer?
13.2.2 What kinds of rockets (model and/or high power) are legal to fly in
Canada?
13.2.3 Are there any High Power launches at all in Canada?
13.2.4 What kinds of rocket motors are available for purchase in Canada?
13.2.5 Are there any Canadian mail order houses where I can purchase model
rocket kits, motors and supplies?
13.3 Rocketry in the United Kingdom
13.3.1 Is model rocketry legal in the UK?
13.3.2 What size model rockets can be flown?
13.3.3 What model rockets are available?
13.3.4 What types of engines are available?
13.3.5 Where can I buy model rockets?
13.3.6 Are there any events/competitions?
13.3.7 Are there any clubs?
13.3.8 What are addresses of some of the shops that carry model rocketry?
13.3.9 What are some of the rocket clubs in the U.K., and do they have any
problems getting permission to fly their rockets?
13.4 Rocketry in South Africa
13.5 Rocketry in New Zealand
13.6 Rocketry in Germany
13.6.1 German Explosives Law
13.6.2 German Aviation Regulations
13.6.3 What Rockets and Motors can I buy and use in Germany?
13.6.4 Clustering and Staging
13.6.5 Can I make my own rocket motors?
13.6.6 Can I use rocket motors made for display fireworks?
13.6.7 Importing Rockets, Parts and Motors
13.6.8 Where can I launch my Rockets?
13.6.9 Where can I launch rockets with bigger motors?
13.6.10 What Insurance do I need?
13.6.11 Addresses of Rocketry-related Clubs
### PART 14: AMATEUR ROCKETRY
14.1 DISCLAIMER
14.2 How do I make my own rocket motors?
14.3 My primary interest is in amateur rocketry.
Where can I find information about amateur rocketry?
14.4 Amateur rocketry on the Internet
14.5 Manufacturers, suppliers, publishers, and consultants
rs, publishers, and consultants
User Contributions:
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